Face mask



FIG. 1 is a front perspective view of a face mask showing my new design, in a used condition with a head in broken lines;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is right side view thereof; and,

FIG. 5 is a left side view thereof.

The broken lines of the figures showing additional portions of a user are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a face mask, as shown and described. 